(Phys.org) —The object in this image is Jonckheere 900 or J 900, a planetary nebula—glowing shells of ionized gas pushed out by a dying star. Discovered in the early 1900s by astronomer Robert Jonckheere, the dusty nebula ...
Astronomy
Apr 1, 2013
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(Phys.org) -- The galaxy NGC 4700 bears the signs of the vigorous birth of many new stars in this image captured by the NASA/ESA Hubble Space Telescope.
Astronomy
Jul 30, 2012
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(PhysOrg.com) -- Astronomers have measured the diameter of the dwarf planet Eris by catching it as it passed in front of a faint star. This was seen by telescopes in Chile, including the TRAPPIST telescope at ESO's La Silla ...
Astronomy
Oct 26, 2011
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(PhysOrg.com) -- ESA's XMM-Newton space observatory has watched a faint star flare up at X-ray wavelengths to almost 10 000 times its normal brightness. Astronomers believe the outburst was caused by the star trying to eat ...
Astronomy
Jun 28, 2011
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Earlier this month, Eris -- the distant world first discovered by Caltech's Mike Brown and colleagues back in 2005, paving the way for the eventual demotion of Pluto from planet to dwarf planet -- passed fortuitously in front ...
Space Exploration
Nov 29, 2010
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